This is the command icalmerge that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
icalmerge - merge icalendar files, keeping only the most recent version of each event
SYNOPSIS
ical2html input [input...] output
DESCRIPTION
inputs and output are iCalendar files
Use icalmerge online using onworks.net services